Manyfourthgraderswouldpanicinanemergencysituation, 61...
问题详情： Manyfourthgraderswouldpanicinanemergencysituation, 61 onePennsylvanianine-year-oldisbeingcalledaheroafterdiscoveringa 62 (die')manandknowingexactlywhattodotosavehislife.ThispastFriday...